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Viewing changes to js/src/assembler/wtf/VMTags.h

  • Committer: Package Import Robot
  • Author(s): Rico Tzschichholz
  • Date: 2013-05-25 12:24:23 UTC
  • Revision ID: package-import@ubuntu.com-20130525122423-zmxucrhtensw90xy
Tags: upstream-17.0.0
Import upstream version 17.0.0

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js/src/assembler/wtf/VMTags.h
 
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/*
 
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 * Copyright (C) 2009 Apple Inc. All rights reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions
 
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 * are met:
 
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 * 1. Redistributions of source code must retain the above copyright
 
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 *    notice, this list of conditions and the following disclaimer.
 
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 * 2. Redistributions in binary form must reproduce the above copyright
 
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 *    notice, this list of conditions and the following disclaimer in the
 
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 *    documentation and/or other materials provided with the distribution.
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 
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 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 
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 */
 
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#ifndef VMTags_h
 
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#define VMTags_h
 
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// On Mac OS X, the VM subsystem allows tagging memory requested from mmap and vm_map
 
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// in order to aid tools that inspect system memory use. 
 
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#if WTF_PLATFORM_DARWIN
 
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#include <mach/vm_statistics.h>
 
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#if !defined(TARGETING_TIGER)
 
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#if defined(VM_MEMORY_TCMALLOC)
 
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#define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(VM_MEMORY_TCMALLOC)
 
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#else
 
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#define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(53)
 
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#endif // defined(VM_MEMORY_TCMALLOC)
 
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#if defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR)
 
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#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR)
 
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#else
 
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#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(64)
 
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#endif // defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR)
 
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#if defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE)
 
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#define VM_TAG_FOR_REGISTERFILE_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE)
 
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#else
 
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#define VM_TAG_FOR_REGISTERFILE_MEMORY VM_MAKE_TAG(65)
 
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#endif // defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE)
 
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#else // !defined(TARGETING_TIGER)
 
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// mmap on Tiger fails with tags that work on Leopard, so fall
 
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// back to Tiger-compatible tags (that also work on Leopard)
 
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// when targeting Tiger.
 
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#define VM_TAG_FOR_TCMALLOC_MEMORY -1
 
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#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY -1
 
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#define VM_TAG_FOR_REGISTERFILE_MEMORY -1
 
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#endif // !defined(TARGETING_TIGER)
 
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// Tags for vm_map and vm_allocate work on both Tiger and Leopard.
 
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#if defined(VM_MEMORY_JAVASCRIPT_CORE)
 
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#define VM_TAG_FOR_COLLECTOR_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_CORE)
 
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#else
 
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#define VM_TAG_FOR_COLLECTOR_MEMORY VM_MAKE_TAG(63)
 
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#endif // defined(VM_MEMORY_JAVASCRIPT_CORE)
 
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#if defined(VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS)
 
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#define VM_TAG_FOR_WEBCORE_PURGEABLE_MEMORY VM_MAKE_TAG(VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS)
 
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#else
 
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#define VM_TAG_FOR_WEBCORE_PURGEABLE_MEMORY VM_MAKE_TAG(69)
 
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#endif // defined(VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS)
 
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#else // OS(DARWIN)
 
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#define VM_TAG_FOR_TCMALLOC_MEMORY -1
 
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#define VM_TAG_FOR_COLLECTOR_MEMORY -1
 
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#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY -1
 
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#define VM_TAG_FOR_REGISTERFILE_MEMORY -1
 
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#define VM_TAG_FOR_WEBCORE_PURGEABLE_MEMORY -1
 
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#endif // OS(DARWIN)
 
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#endif // VMTags_h